Researchers Conduct an Experiment in Which Participants Watch Either a Violent

Researchers conduct an experiment in which participants watch either a violent film or a nonviolent film.After watching the film, the researchers take saliva samples from participants to test for levels of a hormone called testosterone.According to the authors of your text, what technique are these researchers using?

A) correlational design
B) evolutionary psychology
C) social neuroscience
D) functional magnetic resonance imaging (fMRI)

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